add_plugin: async()

in packages/cli/src/generators/auth-config.ts [89:170]
68 lines of code
9 McCabe index (conditional complexity)

		add_plugin: async (opts: {
			direction_in_plugins_array: "append" | "prepend";
			pluginFunctionName: string;
			pluginContents: string;
			config: string;
		}): Promise<{ code: string; dependencies: string[]; envs: string[] }> => {
			let start_of_plugins = getGroupInfo(
				opts.config,
				common_indexes.START_OF_PLUGINS,
				{},
			);

			// console.log(`start of plugins:`, start_of_plugins);

			if (!start_of_plugins) {
				throw new Error(
					"Couldn't find start of your plugins array in your auth config file.",
				);
			}
			let end_of_plugins = getGroupInfo(
				opts.config,
				common_indexes.END_OF_PLUGINS,
				{ start_of_plugins: start_of_plugins.index },
			);

			// console.log(`end of plugins:`, end_of_plugins);

			if (!end_of_plugins) {
				throw new Error(
					"Couldn't find end of your plugins array in your auth config file.",
				);
			}
			// console.log(
			// 	"slice:\n",
			// 	opts.config.slice(start_of_plugins.index, end_of_plugins.index),
			// );
			let new_content: string;

			if (opts.direction_in_plugins_array === "prepend") {
				new_content = insertContent({
					line: start_of_plugins.line,
					character: start_of_plugins.character,
					content: opts.config,
					insert_content: `${opts.pluginFunctionName}(${opts.pluginContents}),`,
				});
			} else {
				let has_found_comma = false;
				const str = opts.config
					.slice(start_of_plugins.index, end_of_plugins.index)
					.split("")
					.reverse();
				for (let index = 0; index < str.length; index++) {
					const char = str[index];
					if (char === ",") {
						has_found_comma = true;
					}
					if (char === ")") {
						break;
					}
				}

				new_content = insertContent({
					line: end_of_plugins.line,
					character: end_of_plugins.character,
					content: opts.config,
					insert_content: `${!has_found_comma ? "," : ""}${
						opts.pluginFunctionName
					}(${opts.pluginContents})`,
				});
			}

			// console.log(`new_content`, new_content);
			try {
				new_content = await format(new_content);
			} catch (error) {
				console.error(error);
				throw new Error(
					`Failed to generate new auth config during plugin addition phase.`,
				);
			}
			return { code: await new_content, dependencies: [], envs: [] };
		},